Simrad AP21 and AP22 Autopilots
98 20220596G
Note 2 NMEA OUTPUT 2 on J300X has a constant output rate of
10x/sec. for HDG or HDT. Both port 1 and 2 are still sending
HDM at 1 Hz. HDM is an obsolete sentence but some older
equipment may still use it.
The Interface Menu presents these names so that they can be
assigned to a hardware input or output port. Each abbreviated
name is then presented in appropriate locations of the USER
SETUP MENU to provide the user with choices of data sources,
or identified to the autopilot where to look for various types of
data.
When you assign a hardware port to an abbreviated name, you
are simply telling the autopilot system that when the user chooses
an abbreviated name as a data source it should look to the
hardware port assigned to the abbreviated name for data.
• Step to the Interface part of the Installation Menu.
The following display will be presented:
INSTALLATION
Interface
To access the Interface Setup items, turn the course knob
clockwise.
The display will show:
Input
GPS1 -------
GPS2 -------
LC 1 -------
Assign a hardware port to the name by turning the course knob
until the hardware port is displayed along with the name.
Proceed to the names on the list that shall be assigned by
pressing STBD [>] button. Select appropriate hardware ports by
turning the course knob, or exit from menu by stepping through
the list of names by pushing STBD [>] button.
Abbreviated
name
Assigned
HW port
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